AP Biology MCQ -Unit 1 and 2

Which property of water allows it to act as a universal solvent?

• High specific heat

• Polarity

• Cohesion

• Low density

Which property of water allows it to act as a universal solvent?

• High specific heat

• Polarity

• Cohesion

• Low density

Which property of water allows it to act as a universal solvent?

• High specific heat

• Polarity

• Cohesion

• Low density

What type of bond forms between the hydrogen of one water molecule and the oxygen of another?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Peptide bond

Which element is the backbone of organic molecules?

• Nitrogen

• Carbon

• Phosphorus

• Sulfur

Which macromolecule is primarily responsible for energy storage in cells?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

What determines the properties of a protein?

• The sequence of amino acids in its primary structure

• The number of peptide bonds it contains

• The type of sugar in its structure

• Its interaction with lipids

Tags

NGSS.HS-LS1-1

What is the monomer of nucleic acids?

• Amino acid

• Monosaccharide

• Nucleotide

• Fatty acid

What type of bond links nucleotides in a DNA strand?

• Hydrogen bond

• Phosphodiester bond

• Ionic bond

• Glycosidic bond

Which property of water helps regulate temperature in organisms and environments?

• High surface tension

• High specific heat capacity

• Low freezing point

• Adhesion

Tags

NGSS.HS-ESS2-5